Abstract
Increased amount of folate is needed for cells under rapid proliferation such as cancer cells. Folate receptors (FRs) are shown to be overexpressed on the surface of tumor cells under low folate conditions and viewed as tumor-associated antigen. The FRs could specifically bind folate and folate conjugates with very high affinity and then transport these molecules into cells through an endocytic mechanism. The fact that various tumors are folate dependent has been applied to improve tumor diagnosis and treatment, developing anti-FRa antibodies, high-affinity antifolates, folate-conjugated drugs and toxins, and folate-based imaging agents.
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Yang, W., Wang, C., Huang, G. (2019). Receptor-Targeted Radionuclide Imaging (RTRI) and Peptide Receptor Radionuclide Therapy (PRRT). In: Huang, G. (eds) Nuclear Medicine in Oncology. Springer, Singapore. https://doi.org/10.1007/978-981-13-7458-6_12
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DOI: https://doi.org/10.1007/978-981-13-7458-6_12
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